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Revenue | 12 Months Ended
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Dec. 31, 2018
Revenue From Contracts With Customers [Abstract] |
Revenue From Contracts With Customers [Text Block] | 5. REVENUE The following disaggregates the Company’s revenue by major source:
| Emera Florida |  |  |  |  |  |  | Corporate | Inter- |  |
| and New |  |  | Emera | Emera | Emera | and | Segment |  |
millions of Canadian dollars | Mexico | NSPI | Maine | Caribbean | Energy | Other | Eliminations | Total
For the year ended December 31, 2018
Regulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric Revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential | $ | 1,384 | $ | 731 | $ | 107 | $ | 154 | $ | - | $ | - | $ | - | $ | 2,376
Commercial |  | 755 |  | 405 |  | 80 |  | 270 |  | - |  | - |  | - |  | 1,510
Industrial |  | 209 |  | 233 |  | 16 |  | 30 |  | - |  | - |  | - |  | 488
Other electric and regulatory deferrals |  | 312 |  | 43 |  | 9 |  | 7 |  | - |  | - |  | - |  | 371
Other (1) |  | 10 |  | 28 |  | 66 |  | 6 |  | - |  | - |  | (3) |  | 107
Regulated electric revenue | 2,670 |  | 1,440 |  | 278 |  | 467 |  | - |  | - |  | (3) |  | 4,852
Gas Revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential |  | 492 |  | - |  | - |  | - |  | - |  | - |  | - |  | 492
Commercial |  | 291 |  | - |  | - |  | - |  | - |  | - |  | - |  | 291
Industrial |  | 49 |  | - |  | - |  | - |  | - |  | - |  | - |  | 49
Finance income (2)(3) |  | - |  | - |  | - |  | - |  | - |  | 57 |  | - |  | 57
Other |  | 155 |  | - |  | - |  | - |  | - |  | - |  | - |  | 155
Regulated gas revenue |  | 987 |  | - |  | - |  | - |  | - |  | 57 |  | - |  | 1,044
Non-Regulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Marketing and trading margin (4) | - |  | - |  | - |  | - |  | 115 |  | - |  | - |  | 115
Energy sales (4) |  | - |  | - |  | - |  | - |  | 309 |  | - |  | (16) |  | 293
Capacity |  | - |  | - |  | - |  | - |  | 136 |  | - |  | - |  | 136
Other |  | 18 |  | - |  | - |  | - |  | - |  | 47 |  | (35) |  | 30
Mark-to-market (3) |  | - |  | - |  | - |  | - |  | 54 |  | - |  | - |  | 54
Non-regulated revenue |  | 18 |  | - |  | - |  | - |  | 614 |  | 47 |  | (51) |  | 628
Total operating revenues | $ | 3,675 | $ | 1,440 | $ | 278 | $ | 467 | $ | 614 | $ | 104 | $ | (54) | $ | 6,524
(1) Other includes an immaterial amount of rental revenues, which do not represent revenue from contracts with customers.
(2) Revenue related to Brunswick Pipeline's service agreement with Repsol Energy Canada.
(3) Revenue which does not represent revenues from contracts with customers.
(4) Includes gains (losses) on settlement of energy related derivatives, which do not represent revenue from contracts with customers.
Remaining Performance Obligations Remaining performance obligations primarily represent gas transportation contracts, lighting contracts and long-term steam supply arrangements with fixed contract terms. As of December 31, 2018, the aggregate amount of the transaction price allocated to remaining performance obligations was $370 million. As allowed by the practical expedient in ASC 606, this amount excludes contracts with an original expected length of one year or less and variable amounts for which Emera recognizes revenue at the amount to which it has the right to invoice for services performed. Emera expects to recognize revenue for the remaining performance obligations through 2033.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 + Details
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